Evaluation of effusion and articular disc positioning after two different arthrocentesis techniques in patients with temporomandibular joint disc displacement without reduction.

Objective: To evaluate joint effusion and positioning of the articular disc through magnetic resonance imaging (MRI) before and after two different arthrocentesis techniques.

Methods: Twenty-six patients with dislocation of the articular disc without reduction (ADDwoR) were included and randomly divided into two groups: single needle arthrocentesis with distention of the upper compartment of the TMJ (A1) and conventional arthrocentesis with 2 needles (A2).

Results: A statistically significant difference was observed between the different effusion categories ( = 0.

Single-Needle Arthrocentesis with Upper Compartment Distension versus Conventional Two-Needle Arthrocentesis: Randomized Clinical Trial.

The objective of this study was to compare single-needle arthrocentesis with distension of the upper compartment of the temporomandibular joint (TMJ) with the conventional two-needle arthrocentesis. Twenty-six patients with articular disc displacement without reduction (DDWOR) were included in the study and assigned to two groups ( = 13): single-needle arthrocentesis with distension of the upper compartment of the TMJ (1N) and conventional two-needle arthrocentesis (2N). The maximum interincisal distance (MID) and TMJ pain as measured by the visual analog scale (VAS) were compared.